package cn.tedu.storage.mapper;

import cn.tedu.storage.entity.Storage;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
 * @ClassName StorageMapper
 * @Description:类描述
 * @Author Tedu
 * @Date 2021/7/1 10:58
 * @Version V1.0
 **/
public interface StorageMapper extends BaseMapper<Storage> {
    void decrease(Long productId,Integer count);
}
